腐蚀评估中的灰靶方法

中国腐蚀与防护学报

2001, Vol. 21

Issue (6): 374-378

研究报告

本期目录 | 过刊浏览

腐蚀评估中的灰靶方法

罗逸;邓聚龙;郑家shen

GREY TARGET METHOD ON THE PIPE CORROSION ANALYSIS

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全文: PDF(111 KB)

摘要: 介绍了灰靶的基本原理及灰靶构造，并通过应用实例着重探讨了在输油管道腐蚀研究中灰评估的基本方法、作用及效果.研究结果表明，灰靶方法可以通过灰等级的方式来客观地描述管道的腐蚀与防护状态.

关键词 ：灰靶模式, 输油管道, 腐蚀失效, 灰评级

Abstract：The fundamental on grey target is introduced,and th e target pattern of grey situation decision is used to evaluate and to classify the comprehensive corrosion and protection status of the underground petroleum p ipeline.The result indicates that the pipeline can be protected perfectly as gre y grade ≤2,and the pipeline runs the risk of corrosion invalidation as the grad e ≥4.Four factorial weights acting corrosion and protection status of the pipe line are separately coating resistance 60.87%,cathodic protected potential 18.84 %,corrosion current density 11.59%,pipe-earth potential 8.70%.The grey target me thod is useful for the preventive repair on pipelines.

Key words： grey target pattern petroleum pipeline corrosion inval idation grey grade

收稿日期: 2001-05-10

ZTFLH:

TG174.36

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引用本文:

罗逸; 邓聚龙; 郑家shen . 腐蚀评估中的灰靶方法[J]. 中国腐蚀与防护学报, 2001, 21(6): 374-378 .

链接本文:

https://www.jcscp.org/CN/Y2001/V21/I6/374

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